Finding the Fourth Proportional to 8,758.52, 13,130.82 and 5,056.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,758.52 : 13,130.82 = 5,056.56 : x
2. Step 2: Convert to fraction form
   8,758.52/13,130.82 = 5,056.56/x
3. Step 3: Cross multiply
   8,758.52x = 13,130.82 × 5,056.56
4. Step 4: Simplify right side
   8,758.52x = 66,396,779.18
5. Step 5: Solve for x
   x = 66,396,779.18/8,758.52
6. Step 6: Final answer
   x = 7,580.82